Title:
ジアミノジフェニルメタン類の製造方法
Document Type and Number:
Japanese Patent JP5231241
Kind Code:
B2
Abstract:
Process for preparing diamino diphenyl methane and poly-(diamino diphenyl methane) comprising reacting aniline with formaldehyde in the presence of hydrogen chloride added in the gaseous form wherein the aniline contains 0.1 to 7 wt %, preferably 2 to 5 wt % of a protic chemical, preferably water.
Inventors:
Kerr, Robert Henry
Application Number:
JP2008543761A
Publication Date:
July 10, 2013
Filing Date:
November 07, 2006
Export Citation:
Assignee:
Huntsman International LLC
International Classes:
C07C209/78; B01J27/10; C07C211/50; C07C263/10; C07C265/14; C07B61/00
Domestic Patent References:
| JP2004529115A | ||||
| JP2000128820A | ||||
| JP2002502838A | ||||
| JP48000545A | ||||
| JP5170708A |
Foreign References:
| WO2002022536A1 |
Attorney, Agent or Firm:
Shinjiro Ono
Kazuo Shamoto
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita
Naoshi Nakata
Kazuo Shamoto
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita
Naoshi Nakata
Previous Patent: IGNITION APPARATUS FOR INTERNAL COMBUSTION ENGINE
Next Patent: HYDROGEN STORAGE ALLOY HAVING COMPOUND THERMOELECTRIC ELEMENT
Next Patent: HYDROGEN STORAGE ALLOY HAVING COMPOUND THERMOELECTRIC ELEMENT